Communications: radio wave antennas – Antennas – Within conductive apertured wall
Patent
1993-09-08
1995-09-26
Wimer, Michael C.
Communications: radio wave antennas
Antennas
Within conductive apertured wall
343700MS, 343873, H01Q 140
Patent
active
054537541
ABSTRACT:
The invention relates to a dielectric resonator antenna system which exhibits an unusually wide bandwidth. This is achieved by chosing a patch antenna/dielectric resonator combination with shape and dimensions such that resonance modes over a continuous range wavelengths can be established therein. The bandwidth and transmission properties of the device are further improved by including a dielectric coupling element (between the dielectric resonator and air) whose antireflection characteristics are optimized for a wavelength which is slightly different from the maximum wavelength of the patch antenna.
REFERENCES:
patent: 4197544 (1980-04-01), Kaloi
patent: 4772890 (1988-09-01), Bowen et al.
Long et al.; "The Resonant Cylindrical Dielectric Cavity Antenna"; IEEE Transactions on Antennas and Propagation, vol. AP-31, No. 3, May 1983; pp. 406-412.
Martin et al.; "Dielectric Resonator Antenna Using Aperture Coupling"; Electronic Letters, 22nd Nov. 1990, vol. 26, No. 24, pp. 2015-2016.
Long et al.; "The Input Impedance of the Dielectric Resonator Antenna"; International Journal of Infrared and Millimeter Waves, vol. 7, No. 4, 1986, pp. 555-570.
The Secretary of State for Defence in Her Brittanic Majesty's Go
Wimer Michael C.
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